CVE-2021-47957

Cookie Law Bar 1.2.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting unsanitized input to the Bar Message field. Attackers can inject script payloads through the plugin settings page that execute in the browsers of all WordPress users viewing the site, enabling cookie theft and sensitive data exfiltration.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.20% chance of exploitation in the next 30 days, 10th percentile

Published

2026-05-16

Updated

2026-05-24

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49905

References

• CVE Record
• NVD entry

Related

• CVE-2021-47956
• CVE-2021-47958
• CVE-2021-47955
• CVE-2021-47959
• CVE-2021-47954
• CVE-2021-47962